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Finding the Fourth Proportional to 3,483.66, 5,225.35 and 886.66

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Solution

The fourth proportional to 3,483.66, 5,225.35 and 886.66 is: 1,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.66 : 5,225.35 = 886.66 : x
  2. Step 2: Convert to fraction form
    3,483.66/5,225.35 = 886.66/x
  3. Step 3: Cross multiply
    3,483.66x = 5,225.35 × 886.66
  4. Step 4: Simplify right side
    3,483.66x = 4,633,104.40
  5. Step 5: Solve for x
    x = 4,633,104.40/3,483.66
  6. Step 6: Final answer
    x = 1,329.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.